LUT have the same power (actually more) but it requires the photoshop iteration. We consider exposing UE3 like color correction on top of that at a later stage. We consider a color correction asset that can be tweaked in real time with a custom UI (think of video post processing or Photoshop. We also can put eye adaptation and other settings into this asset. The asset can be assigned to the volume similar to PostprocessMaterials. What do you think about that?